Answer:
B
Step-by-step explanation:

Hope this helps!
the answer is
Remove unnecessary parentheses.<span><span>5+2x+16x−56</span><span>5+2x+16x-56</span></span>
Subtract <span>5656</span> from <span>55</span> to get <span><span>−51</span><span>-51</span></span>.<span><span>2x+16x−51</span><span>2x+16x-51</span></span>
Add <span><span>2x</span><span>2x</span></span> and <span><span>16x</span><span>16x</span></span> to get <span><span>18x</span><span>18x</span></span>.<span>18x−<span>51</span></span>
It's 120*0.42 = 50.4 so 50.4 is the answer
1 hr plus 20 minutes
Then that answer divided by 15
Then that answer multiply by 3/4